If you're a Ducati Monster owner from 2001 to 2008, this K&N panel air filter is a must - have. Whether you're cruising on the highway or tearing up the track, it'll enhance your riding experience. The filter is custom - made to fit your specific Ducati Monster model, so you don't have to worry about compatibility issues. It boosts performance by allowing more air to flow into the engine, and at the same time, it provides great protection for your engine, keeping it running smoothly for longer.